Recommended · for beginners
Raspberry Pi Tutorial 26 - GPIO DHT22 Digital Temperature + Humidity Sensor
Why people recommend it
Part of a numbered Raspberry Pi tutorial series, showing how to wire a DHT22 temperature and humidity sensor and read it from Python 3.
Watch for: Poll slowly and retry failed readings
In their words
First as per advice from Raspberry Pi Tutorial 26 - GPIO DHT22 Digital Temperature + Humidity Sensor, I made a loop to read until it is different to -999:
Michał on raspberrypi.stackexchange.com, Feb 2016. CC BY-SA.
